EP3802702A1 - Impact-resistant polymer composition - Google Patents
Impact-resistant polymer compositionInfo
- Publication number
- EP3802702A1 EP3802702A1 EP19727692.6A EP19727692A EP3802702A1 EP 3802702 A1 EP3802702 A1 EP 3802702A1 EP 19727692 A EP19727692 A EP 19727692A EP 3802702 A1 EP3802702 A1 EP 3802702A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- composition
- polyethylene elastomer
- polyamide
- composition according
- functionalized polyethylene
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0869—Acids or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/30—Applications used for thermoforming
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
Definitions
- the invention relates to an impact-resistant polymer composition comprising a polyamide and a polyethylene elastomer, to a process for obtaining such composition, to the use of such composition and an article comprising such composition.
- WO00/77078 discloses a process for the preparation of an impact-resistant polymer composition by melt mixing a matrix polyamide with a composition comprising a rubber composition dispersed in a polyamide.
- the rubber composition comprises a functionalized polyethylene elastomer (maleic acid modified ethylene-octene copolymer) and a non-functionalized polyethylene elastomer (non-modified ethylene- octene copolymer).
- Example 8 90 wt % of a polyamide is mixed with 10 wt% of a composition consisting of 50 wt% of a polyamide, 10 wt% of a maleic acid modified ethylene-octene copolymer and 40 wt% of a non-modified ethylene-octene copolymer.
- the present invention provides a composition comprising:
- the total of a) and b) is at least 60 wt% with respect to the total composition, wherein the POE composition consists of:
- composition according to the invention exhibits a good balance of mechanical properties such as impact strength, flexural modulus and strain at break.
- the invention relates also to a process for obtaining such composition, to the use of such composition and an article comprising such composition.
- the amount of the polyamide with respect to the total composition is 30-90 wt%.
- the amount of the polyamide with respect to the total composition is 30-70 wt%, 35-60 wt% or 40-50 wt%.
- the amount of the polyamide with respect to the total composition is 70-90 wt% or 75-85 wt%.
- the polyamide may be an aliphatic polyamide, a semi-aromatic polyamide or an aromatic polyamide, or a blend thereof.
- polyamides can be found e.g. in Rompp Chemie-Lexikon, 9th edition, volume 5, page 359 ff. and the citations mentioned therein.
- the polyamide is selected from the group consisting of polyamide-6, polyamide-6,6 polyamide-4,6 and mixtures thereof.
- the polyamide is polyamide-6. Even more preferably, the polyamide is polyamide -6 having a relative solution viscosity higher than 2, preferably higher than 2.2, and lower than 2.8, preferably lower than 2.6.
- the relative solution viscosity is measured according to ISO 307:2007 and determined using a solution of 1 gram of polyamide-6 in 100 ml of 90 wt percent strength formic acid at 25.00 degrees centigrade.
- An example of such polyamide is Akulon K122 from DSM with a relative solution viscosity (RSV) in formic acid (1 g/100 ml) of 2.28.
- RSV relative solution viscosity
- the amount of the POE composition with respect to the total composition is 10-40 wt%, for example 15-30 wt% or 15-25 wt%.
- the POE composition consists of a non-functionalized polyethylene elastomer and a functionalized polyethylene elastomer, i.e. the total amount of the non-functionalized polyethylene elastomer and the functionalized polyethylene elastomer is 100 wt% with respect to the POE composition.
- the amount of the non-functionalized polyethylene elastomer is 20-95 wt% of the POE composition and the amount of the functionalized polyethylene elastomer is 5-80 wt% of the POE composition.
- the amount of the non-functionalized polyethylene elastomer is preferably at least 25 wt%, more preferably at least 30 wt%, more preferably at least 40 wt%, more preferably at least 50 wt%, more preferably at least 60 wt% of the POE composition.
- the relatively high amount of the non-functionalized polyethylene elastomer in the POE composition was surprisingly found to lead to a very high impact strength while maintaining the other mechanical properties to an acceptable level.
- the amount of the non-functionalized polyethylene elastomer is at most 90 wt% or at most 80 wt% of the POE composition.
- the non-functionalized polyethylene elastomer is a copolymer of ethylene and an a-olefin comonomer having 4 to 8 carbon atoms.
- the elastomer is selected from the group consisting of ethylene-1 -butene copolymer, ethylene-1 -hexene copolymer, ethylene-1 -octene copolymer, preferably selected from the group consisting of ethylene-1 -butene copolymer and ethylene-1 - octene copolymer, most preferably is ethylene-1 -octene copolymer.
- the elastomer has a density of 0.850-0.910 g/cm3 as determined by ASTM D792.
- the elastomer may have a density of 0.850-0.860 g/cm3 as determined by ASTM D792.
- the elastomer may have a density of 0.860-0.870 g/cm3 as determined by ASTM D792.
- the elastomer may have a density of 0.870-0.910 g/cm3, 0.870-0.905 g/cm3, 0.870-0.900 g/cm3 or 0.875-0.890 g/cm3 as determined by ASTM D792.
- the elastomer has a melt flow index as determined by IS01133-1 :201 1 (2.16 kg, 190 °C) of 0.1-100 dg/min, for example 0.1-50 dg/min, 0.1-20 dg/min or 0.1- 10 dg/min.
- the elastomer has a melt flow index as determined by IS01133-1 :201 1 (2.16 kg, 190 °C) of 0.1 -2 dg/min.
- the elastomer has a melt flow index as determined by IS01133-1 :201 1 (2.16 kg, 190 °C) of 2-4 dg/min.
- the elastomer has a melt flow index as determined by IS01133-1 :201 1 (2.16 kg, 190 °C) of 4-10 dg/min.
- the elastomer has a density of 0.850-0.860 g/cm3 as determined by ASTM D792 and a melt flow index as determined by IS01133-1 :201 1 (2.16 kg, 190 °C) of 0.1-2 dg/min.
- the use of such elastomer leads to a particularly high impact strength of the composition.
- the elastomer has a density of 0.860-0.870 g/cm3 as determined by ASTM D792and a melt flow index as determined by IS01133-1 :201 1 (2.16 kg, 190 °C) of 4-10 dg/min.
- the use of such elastomer leads to a particularly high flexural modulus of the composition.
- Elastomers which are suitable for use in the current invention are commercially available for example under the tradename SABIC FORTIFYTM and under the tradename SABIC COHERETM.
- Other possible elastomers include elastomers commercially available under the trademark EXACTTM available from Exxon Chemical Company of Houston, Texas, under the trademark ENGAGETM polymers, a line of metallocene catalyzed plastomers available from Dow Chemical Company of Midland, Michigan.
- Dow AFFINITYTM can also be mentioned as the possible elastomer.
- elastomers include FORTIFYTM C5070D, C3080 and C1055D.
- the elastomers may be prepared using methods known in the art, for example by using a single site catalyst, i.e., a catalyst the transition metal components of which is an organometallic compound and at least one ligand of which has a cyclopentadienyl anion structure through which such ligand bondingly coordinates to the transition metal cation.
- This type of catalyst is also known as "metallocene” catalyst.
- Metallocene catalysts are for example described in U.S. Patent Nos. 5,017,714 and 5,324,820.
- the elastomers may also be prepared using traditional types of heterogeneous multi-sited Ziegler-Natta catalysts.
- the amount of moieties derived from ethylene in the elastomer is at least 50 mol %. More preferably, the amount of moieties derived from ethylene in the elastomer is at least 57 mol%, for example at least 60 mol %, at least 65 mol% or at least 70 mol%. Even more preferably, the amount of moieties derived from ethylene in the elastomer is at least 75 mol%.
- the amount of moieties derived from ethylene in the elastomer may typically be at most 97.5 mol%, for example at most 95 mol% or at most 90 mol%. b2) functionalized polyethylene elastomer
- the functionalized polyethylene elastomer is a polyethylene elastomer having functional groups.
- a non-functionalized polyethylene elastomer as described above can be functionalized to obtain the functionalized polyethylene elastomer.
- functionalized polyethylene elastomer can be the same or different.
- Functional groups can be introduced onto the polyethylene elastomer in many ways. A great many preparation methods and examples of these functionalized polyethylene elastomers are described, for instance, in US4174358. Several of these functionalized elastomers are commercially available under different names.
- Suitable compounds for providing the functional group in the functionalized polyethylene elastomer include an unsaturated dicarboxylic anhydride or an
- unsaturated dicarboxylic acid or an ester thereof for instance maleic anhydride, itaconic acid and itaconic anhydride, fumaric acid and maleic acid or a glycidyl acrylate, for instance glycidyl methacrylate, and vinyl alkoxysilane.
- the functional groups are highly reactive relative to, inter alia, amino end groups and acid end groups in polyamides.
- the amount of the compounds for providing the functional group in the functionalized polyethylene elastomer is 0.01-5.0 wt%, more preferably 0.3 and 3.0 wt%, with respect to the functionalized polyethylene elastomer.
- composition according to the invention may further comprise reinforcing fillers, such as reinforcing fibres, such as glass fibres and carbon fibres, preferably glass fibres. This is suitable for obtaining a high flexural modulus and a high tensile modulus
- the amount of the glass fibres is 0-40 wt% with respect to the total composition.
- the amount of the glass fibres is preferably 1-40 wt%, 1-35 wt%, 5-35 wt%, IQ- 35 wt%, 20-35 wt% or 25-35 wt%, with respect to the total composition.
- the fibers may vary in size (e.g. length, diameter, etc.) and may be coated or uncoated.
- the fibers may have an average diameter of less than 13 microns. In other embodiments, the fibers may have an average diameter of 10 microns or less.
- the fibers may include components to encourage bonding between the polymers in the composition and the fibers.
- suitable fibers for the present invention include NEG Fibre GlassTM Chopvantage HP3610.
- composition according to the invention may further comprise optional components such as additives.
- the skilled person can readily select any suitable combination of additives and additive amounts without undue experimentation.
- the amount of the additives depends on their type and function and typically is of 0 to 10 wt%, more typically 0.1 to 5 wt% or 0.5 to 2 wt%, with respect to the total composition.
- the additives may include nucleating agents, stabilisers, e.g. heat stabilisers, anti- oxidants, UV stabilizers; colorants, like pigments and dyes; clarifiers; surface tension modifiers; lubricants; flame-retardants; mould-release agents; flow improving agents; plasticizers; anti-static agents; blowing agents.
- stabilisers e.g. heat stabilisers, anti- oxidants, UV stabilizers; colorants, like pigments and dyes; clarifiers; surface tension modifiers; lubricants; flame-retardants; mould-release agents; flow improving agents; plasticizers; anti-static agents; blowing agents.
- the total amount of the polyamide, the POE composition, the optional reinforcing fillers and the optional additives is 100 wt% with respect to the total composition.
- the total amount of the polyamide, the POE composition and the optional reinforcing fillers is at least 90 wt%, at least 95 wt%, at least 98 wt%, at least 99 wt% of 100 wt% with respect to the total composition.
- the total amount of the polyamide and the POE composition is at least 90 wt%, at least 95 wt%, at least 98 wt%, at least 99 wt% of 100 wt% with respect to the total composition.
- the composition according to the invention in particular wherein the total amount of the polyamide and the POE composition is at least 90 wt%, has a Charpy impact strength according to ISO 179-1 : 2010 at 23 °C of at least 30 kJ/m 2 , more preferably at least 40 kJ/m2, more preferably at least 50 kJ/m2, more preferably at least 60 kJ/m2, more preferably at least 70 kJ/m2, more preferably at least 80 kJ/m2.
- the composition according to the invention in particular wherein the total amount of the polyamide and the POE composition is at least 90 wt%, has a flexural modulus according to ISO 178:2010 incorporating amendment 2013 at 23 °C of at least 1300 MPa, more preferably at least 1400 MPa.
- the composition according to the invention in particular wherein the total amount of the polyamide and the POE composition is at least 90 wt%, has a tensile modulus according to ISO 527-2:2012 at 23 °C of at least 1600 MPa, more preferably at least 1700 MPa.
- the composition according to the invention in particular wherein the composition comprises glass fibres at an amount of 1-40 wt%, has a Charpy impact strength according to ISO 179-1 :2010 at 23 °C of at least 25 kJ/m2, more preferably at least 30 kJ/m2, more preferably at least 40 kJ/m2.
- the composition according to the invention in particular wherein the composition comprises glass fibres at an amount of 1-40 wt%, has a flexural modulus according to ISO 178:2010 at 23 °C of at least 3000 MPa, more preferably at least 5000 MPa.
- the composition according to the invention in particular wherein the composition comprises glass fibres at an amount of 1-40 wt%, has a tensile modulus according to ISO 527-2:2012 at 23 °C of at least 3000 MPa, more preferably at least 5000 MPa.
- the measurements of the flexural modulus and the tensile properties of the composition are performed on samples which have been conditioned for 16 hours at a relative humidity of 50% at 23 °C.
- the measurement of the flexural modulus is performed at 50% relative humidity (parallel orientation; test geometry: 3.2 mm thickness) at a cross-head speed of 2 mm/min.
- the measurements of the tensile properties are performed at 50% relative humidity (specimen 1A, prepared by injection molding).
- the measurement of the tensile modulus is performed at speeds of 1 mm/min; the tensile strength is performed at 50 mm/min for compositions free of reinforcing fillers and at 5 mm/min for compositions comprising reinforcing filler.
- composition according to the invention may be processed by any conventional technique known in the art into an article. Suitable examples of processing techniques wherein the composition according to the invention may be used include
- injection moulding injection blow moulding, injection stretch blow moulding, rotational moulding, compression moulding, extrusion, extrusion compression moulding, extrusion blow moulding, sheet extrusion, film extrusion, cast film extrusion, foam extrusion, thermoforming and thin-walled injection moulding.
- the invention further relates to an article comprising the composition according to the invention.
- the invention relates to an article comprising the composition according to the invention, wherein the article is made by one of the processing techniques mentioned above.
- the (injection moulded) articles according to the invention include articles in automotive applications such as air dams, gas caps, hood releases, cables and straps, steering column shields, trim clips, oil pans, starter coil-forms, and transmission cables.
- the examples further include consumer items, including bike wheels, toys, roller skates, ice skates, and ski boots.
- the examples further include hardware and furniture parts, industrial machinery parts, materials handling systems, and articles such as hammer handles, door striker parts, valve bodies, and oscillating machinery parts.
- the examples further include electrical connectors and switches.
- the article comprising the composition is made by processing the composition according to the invention such that the ratio of the components of the composition is substantially maintained.
- no further components particularly no amounts of a polyamide, a non-functionalized polyethylene elastomer or a
- the invention provides an article consisting of the composition according to the invention.
- the present invention provides a process for making the composition according to the invention by melt-mixing components a), b1 ) and b2) and other optional components.
- Suitable conditions for melt-mixing such as temperature, pressure, amount of shear, screw speed and screw design when an extruder is used are known to the skilled person.
- the invention further provides a process for making an article comprising the process for making the composition according to the invention by melt-mixing components a), b1 ) and b2) and other optional components and processing the composition according to the invention into the article, wherein no amounts of a polyamide, a non-functionalized polyethylene elastomer or a
- the process comprises the steps of melt-mixing b1 ) and b2) to make a blend and subsequently melt-mixing the blend and the a).
- the process comprises the step of melt-mixing a), b1 ) and b2) without a prior melt-mixing of b1 ) and b2).
- product/composition comprising certain components also discloses a product/composition consisting of these components.
- the product/composition consisting of these components may be advantageous in that it offers a simpler, more economical process for the preparation of the product/composition.
- a description on a process comprising certain steps also discloses a process consisting of these steps. The process consisting of these steps may be advantageous in that it offers a simpler, more economical process.
- Polyethylene elastomers (POE): C2-C8 copolymer SABIC FORTIFYTM C5070D, C3080 and C1055D
- the SABIC FORTIFYTM POEs used have the following MI(190°C /2.16kg) and density:
- the PA6 was dried at least 4h in a dry-air drier to assure the dryness of the PA6.
- the compounding process was carried out in a twin screw extruder (26 mm) which has two side feeders, two atmospheric vent ports (one per side feeder) and one vacuum forced venting port in the final part of the extruder.
- Each component of the formulation was independently fed to the extruder with a gravimetric feeder.
- the PA6 and the Yparex compatibilizer were fed through the main hopper, whereas the POE was fed in the first side feeder.
- the glass fibres were fed through the second side feeder.
- the screw design has two dispersive zones, the first one to melt the PA6 and compatibilizer (if needed in the composition), and the second one to melt and disperse the POE in the molten polymer. Finally, two short distributive zones were implemented to incorporate the glass fibres in the molten compound without breaking the fibres in excess.
- Comparative Example A PA6 was compounded in the extruder based on the typical procedure mentioned above.
- Comparative Example B PA6 and a POE were compounded so that the final ratio of PA6 to POE is 80% to 20% (weight/weight).
- Comparative Example C The compounding was carried out similar to the procedure for comparative Example B with the exception that a compatibilizer was used instead of a POE.
- Example l-VIII and Comparative Example F and G The compounding was carried out similar to the procedure for comparative example B with the exception that various ratios of the POEs and compatibilizer were used.
- the compositions prepared are summarized in Table 2. The amounts of the components are in wt% with respect to the total composition.
- Injection moulding conditions All injection moulding was carried out either on an Engel 90-T or an Arburg Allrounder machine. Injection moulding conditions typically used are summarized in Table :
- the injection moulded specimens were directly sealed in an aluminium bag and stored at 23°C till further testing. Before testing, the test specimens were taken out of the aluminium bag. The test specimens were conditioned at 23°C and 50% humidity for 16 hours.
- the melt index MI( I 9 O/ 2 .IQ ) of the POE was measured according to method ISO 1133- 1 :201 1 under a load of 2.16 kg at 190°C.
- Density was determined according to ASTM D792.
- Notched Charpy was measured according to ISO 179-1 :2010 at 23°C.
- Flexural modulus (3 point) was measured according to ISO 178:2011 incorporating amendment of 2013 at 23°C and 50% relative humidity (parallel orientation; test geometry: 3.2 mm thickness). The measurements were performed on samples which have been conditioned for 16 hours at a relative humidity of 50% at 23 °C. The measurement of the flexural modulus was performed at a cross-head speed of 2 mm/min. Tensile tests were performed according to ISO 527-2 at 23°C and 50% relative humidity(specimen 1A, prepared by injection molding). The measurements were performed on samples which have been conditioned for 16 hours at a relative humidity of 50% at 23 °C. The measurement of the tensile modulus was performed at speeds of 1 mm/min; the tensile strength was performed at 50 mm/min for glass-free
- compositions and 5 mm/min for glass fibre filled compositions.
- Comparative example A The impact property of Comparative example A is rather low. With the addition of a POE, the impact property increases significantly (Comparative example B). By adding only the compatibilizer, the impact property increases further (Comparative example C). A real jump in impact property is seen for Examples l-VIII when compared to the comparative example A. Surprisingly, the high ratio of POE to the compatibilizer led to a significant increase in the impact strength.
- Comparative Example B when the POE is added.
- the flexural and tensile properties decrease even further when only the compatibilizer is used (Comparative Example C) instead of the POE (Comparative Example B).
- these properties improve (compared to Comparative Example C) when a combination of the compatibilizer and the POE is used.
- the flexural and tensile properties of the examples l-VIII are rather comparable.
- compositions according to the invention have a good balance of various mechanical properties.
- compositions comprising POE3 have a very high impact strength.
- Glass fiber filled compounds
- Comparative Example D is a typical glassfiber filled PA6 compound (30% glass) that is commercially available as DSMTM Akulon K224-G6.
- Comparative Example E is a typical impact modified glassfiber filled PA6 compound (30% glass) that is commercially available as DSMTM Akulon K224-PG6.
- Example IX-XI were compounded similar to Comparative Example B. In these samples, 30% m/m of glass fibres (Chopvantage HP3610) were added. The ratios of POE and compatibilizer used are given in Table 3. Table 3
- comparative example E has a higher value than comparative Example D.
- the impact property significantly increases compared to comparative example D.
- the flexural and tensile moduli decrease with increasing POE content.
- compositions according to the invention comprising glass fibers have a good balance of various mechanical properties.
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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EP18175764 | 2018-06-04 | ||
PCT/EP2019/064349 WO2019233949A1 (en) | 2018-06-04 | 2019-06-03 | Impact-resistant polymer composition |
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EP3802702A1 true EP3802702A1 (en) | 2021-04-14 |
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EP19727692.6A Pending EP3802702A1 (en) | 2018-06-04 | 2019-06-03 | Impact-resistant polymer composition |
Country Status (4)
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US (1) | US20210261773A1 (en) |
EP (1) | EP3802702A1 (en) |
CN (1) | CN112236481B (en) |
WO (1) | WO2019233949A1 (en) |
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CA3154604C (en) | 2019-10-24 | 2024-01-30 | Chee Sern LIM | Polyamide compositions and articles made therefrom |
CN110922673A (en) * | 2019-12-13 | 2020-03-27 | 常州威材新材料科技有限公司 | Scratch-resistant POE/PA6 alloy composite material for cast film and preparation method thereof |
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US5324820A (en) | 1988-07-15 | 1994-06-28 | Central Sydney Area Health Service | Acid-labile subunit (ALS) of insulin-like growth factor binding protein complex |
CN1161356A (en) * | 1996-01-31 | 1997-10-08 | 埃尔夫阿托化学有限公司 | Compositions based on polyamides and on polyolefins which are flexurally very flexible |
NL1012324C2 (en) * | 1999-06-14 | 2000-12-15 | Dsm Nv | Process for the preparation of an impact-resistant polymer composition. |
NL1017503C2 (en) * | 2001-03-06 | 2002-09-09 | Dsm Nv | Chain branching agent and polyamide composition containing it. |
US6887581B2 (en) * | 2001-04-27 | 2005-05-03 | Toyo Boseki Kabushiki Kaisha | Laminate for automobile parts |
JP4694369B2 (en) * | 2003-06-24 | 2011-06-08 | 株式会社プライムポリマー | Polypropylene resin composition |
JP4786658B2 (en) * | 2005-07-25 | 2011-10-05 | 東京インキ株式会社 | Dispersing apparatus and method, and dispersion manufacturing method |
US7585906B2 (en) * | 2007-02-28 | 2009-09-08 | Sabic Innovative Plastics Ip B.V. | Poly(arylene ether) composition, method, and article |
JP5566238B2 (en) * | 2010-09-29 | 2014-08-06 | ユニチカ株式会社 | Laminated body and method for producing the same |
JP2014062194A (en) * | 2012-09-21 | 2014-04-10 | Unitika Ltd | Polyamide resin composition and molded product using the same |
ES2624127T3 (en) * | 2012-10-10 | 2017-07-13 | Lanxess Deutschland Gmbh | Molding dough |
JP7240805B2 (en) * | 2017-08-17 | 2023-03-16 | 旭化成株式会社 | Polyamide resin composition and molded article thereof |
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2019
- 2019-06-03 EP EP19727692.6A patent/EP3802702A1/en active Pending
- 2019-06-03 US US17/059,625 patent/US20210261773A1/en active Pending
- 2019-06-03 CN CN201980037587.4A patent/CN112236481B/en active Active
- 2019-06-03 WO PCT/EP2019/064349 patent/WO2019233949A1/en unknown
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CN112236481B (en) | 2024-02-27 |
CN112236481A (en) | 2021-01-15 |
WO2019233949A1 (en) | 2019-12-12 |
US20210261773A1 (en) | 2021-08-26 |
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